== sanity test 101a: check read-ahead for random reads === 02:32:04 (1733643124) nreads: 10000 file size: 96MB 33.843448s, 19.3645MB/s osc.lustre-OST0000-osc-ffff88008caec000.rpc_stats= snapshot_time: 1733643167.219415570 secs.nsecs start_time: 1733643125.268591269 secs.nsecs elapsed_time: 41.950824301 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO RPCs in flight: 0 pending write pages: 0 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 3 10 10 2: 0 0 0 | 1 3 13 4: 3 0 0 | 0 0 13 8: 9 0 0 | 0 0 13 16: 6273 99 100 | 0 0 13 32: 0 0 100 | 0 0 13 64: 0 0 100 | 0 0 13 128: 0 0 100 | 0 0 13 256: 0 0 100 | 0 0 13 512: 0 0 100 | 0 0 13 1024: 0 0 100 | 25 86 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6285 100 100 | 26 89 89 2: 0 0 100 | 2 6 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 5 17 17 1: 0 0 0 | 0 0 17 2: 0 0 0 | 0 0 17 4: 0 0 0 | 0 0 17 8: 0 0 0 | 0 0 17 16: 6 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 21 0 0 | 0 0 17 128: 35 0 1 | 0 0 17 256: 74 1 2 | 0 0 17 512: 139 2 4 | 0 0 17 1024: 280 4 9 | 1 3 20 2048: 600 9 18 | 2 6 27 4096: 1164 18 37 | 4 13 41 8192: 2266 36 73 | 8 27 68 16384: 1687 26 100 | 9 31 100 osc.lustre-OST0001-osc-ffff88008caec000.rpc_stats= snapshot_time: 1733643167.219546441 secs.nsecs start_time: 1733643125.268664903 secs.nsecs elapsed_time: 41.950881538 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO RPCs in flight: 0 pending write pages: 0 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 4: 0 0 0 | 0 0 66 8: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 llite.lustre-ffff88008caec000.read_ahead_stats= snapshot_time 1733643167.222596419 secs.nsecs start_time 1733643125.271638921 secs.nsecs elapsed_time 41.950957498 secs.nsecs hits 94139 samples [pages] misses 6285 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94139 samples [pages] failed_to_fast_read 6285 samples [pages] readahead_pages 6285 samples [pages] 2 15 94139